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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_6v9ehs49qpq0sjkfsbaemji7oo, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
sS getStringOpt(Map map, O key) {
  ret map == null ? null : optCast(S, map.get(key));
}

sS getStringOpt(L l, int idx) {
  ret optCast(S, get(l, idx));
}

sS getStringOpt(O o, O key) {
  if (o instanceof Map) ret getStringOpt((Map) o, key);
  if (key instanceof S)
    ret optCast(S, getOpt(o, (S) key));
  throw fail("Not a string key: " + getClassName(key));
}

sS mapMethodLike getStringOpt(S key, O o) {
  ret getStringOpt(o, (O) key);
}